Fuel Rail — Audi A4
Category: Engine | Severity: medium | Cost: ₹8,000–₹25,000
What is Fuel Rail?
Fuel rail distributes fuel evenly to injectors.
How Fuel Rail Works
Maintains consistent pressure across all injectors.
Why is Fuel Rail Important?
Ensures uniform fuel supply.
Common Problems
- Pressure leak
- Cracks
Symptoms
- Fuel smell
- Engine misfire
Causes of Failure
- Wear
- Corrosion
Impact on Car Performance
Uneven fuel delivery affects performance.
DIY Fix Guide — Step by Step
- Inspect for leaks
- Check fuel pressure
- Replace damaged rail
Maintenance Tips
- Use clean fuel
- Regular inspection
Replacement Cost in India
Estimated range: ₹8,000 – ₹25,000
Where to Buy Online
When to Replace Fuel Rail
Replace if leakage or pressure loss occurs.